The KingFisher Flex 96 Deep-Well Heating Block is compatible with the KingFisher Flex Microtiter Deep-Well 96 Plate and the MagMAX Express-96 Deep-Well Plate when used on the KingFisher Flex Magnetic Particle Processor with 96 Deep-Well Head. Please note that the KingFisher Flex 96 Deep-Well Heating Block is not compatible with the KingFisher 96 microplate (200 µL).